build

cli: add pointer to the documentation in case of fileset syntax error #14658

Job	Run time
Build jj-lib without Git support	44s
Check protos	55s
build (ubuntu-latest)	4m 31s
build (macos-13)	6m 9s
build (macos-14)	5m 9s
Check formatting	17s
build (windows-latest)	9m 57s
build (ubuntu-latest, --all-features)	5m 21s
cargo-deny (advisories)	24s
cargo-deny (bans licenses sources)	30s
Clippy check	2m 23s
Check that MkDocs can build the docs	27s
Check that MkDocs can build the docs with Poetry 1.8	20s
	37m 7s

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